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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 50393Generated: October 25, 2026

Hydrochloric Acid → 1-Methyl-2-[-(4-amidino-2-methoxyphenyl)aminomethyl]benzimidazol-5-yl-carboxylic acid-N-phenyl-N-(2-ethoxycarbonylethyl)amide hydrochloride

https://huagongshe.com/reaction/50393

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantEthanolHCID 702—
ReactantAmmonium CarbonateHCID 517111—
Reactant1-methyl-2-[N-(4-cyano-2-methoxyphenyl)aminomethyl]benzimidazol-5-yl-carboxylic acid-N-phenyl-N-(2-ethoxycarbonylethyl)amideHCID 18412657—
SolventDichloromethane ethanolHCID 21584144—
Product1-Methyl-2-[-(4-amidino-2-methoxyphenyl)aminomethyl]benzimidazol-5-yl-carboxylic acid-N-phenyl-N-(2-ethoxycarbonylethyl)amide hydrochlorideHCID 1841229689%

Reaction Steps

Prepared analogously to Example 25d from 1-methyl-2-[N-(4-cyano-2-methoxyphenyl)aminomethyl]benzimidazol-5-yl-carboxylic acid-N-phenyl-N-(2-ethoxycarbonylethyl)amide and ethanolic hydrochloric acid, ethanol, and ammonium carbonate. Yield: 89% of theory, C29H32N6O4 (528.6); Rf value: 0.13 (silica gel; dichloromethane/ethanol=4:1); EKA mass spectrum: (M+H)+=529; (M+H+Na)++=276; (M+2H)++=265.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06710055B2
Source datasetuspto-grants-2004_03
ORD IDord-d5b8659acb814aecae74c0d7dc9b47ff
Source noteuspto-grants-2004_03